61554063 has 8 divisors (see below), whose sum is σ = 83417776. Its totient is φ = 40363200.

The previous prime is 61554047. The next prime is 61554071. The reversal of 61554063 is 36045516.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 61554063 - 2⁴ = 61554047 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 61554063.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61554013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 167998 + ... + 168363.

It is an arithmetic number, because the mean of its divisors is an integer number (10427222).

Almost surely, 2^61554063 is an apocalyptic number.

61554063 is a deficient number, since it is larger than the sum of its proper divisors (21863713).

61554063 is a wasteful number, since it uses less digits than its factorization.

61554063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 336425.

The product of its (nonzero) digits is 10800, while the sum is 30.

The square root of 61554063 is about 7845.6397444695. The cubic root of 61554063 is about 394.8379680454.

Adding to 61554063 its reverse (36045516), we get a palindrome (97599579).

The spelling of 61554063 in words is "sixty-one million, five hundred fifty-four thousand, sixty-three".